If M and N are the mid-points of AB and AC and if MN = 6 cm. What is the length of BC
a. 7
b. 10
c. 12
d. 14
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Answer:
obviously the answer is 12.
because the given data frames a triangle which had a line segment of the midpoints of adjacent sides of a triangle.
so , as per rule of triangle line segment the length of the line segment parallel to the MN that is BC will be double the length of MN only.
Therefore the answer is 12.
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